Home / 2,630.16-3,946.62-1,705.48

Finding the Fourth Proportional to 2,630.16, 3,946.62 and 1,705.48

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Solution

The fourth proportional to 2,630.16, 3,946.62 and 1,705.48 is: 2,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.16 : 3,946.62 = 1,705.48 : x
  2. Step 2: Convert to fraction form
    2,630.16/3,946.62 = 1,705.48/x
  3. Step 3: Cross multiply
    2,630.16x = 3,946.62 × 1,705.48
  4. Step 4: Simplify right side
    2,630.16x = 6,730,881.48
  5. Step 5: Solve for x
    x = 6,730,881.48/2,630.16
  6. Step 6: Final answer
    x = 2,559.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.